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CN102752058B - Audio data transmission system, audio data transmission device and electronic sign tool - Google Patents

Audio data transmission system, audio data transmission device and electronic sign tool Download PDF

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Publication number
CN102752058B
CN102752058B CN2012102043924A CN201210204392A CN102752058B CN 102752058 B CN102752058 B CN 102752058B CN 2012102043924 A CN2012102043924 A CN 2012102043924A CN 201210204392 A CN201210204392 A CN 201210204392A CN 102752058 B CN102752058 B CN 102752058B
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China
Prior art keywords
modulation
voice data
transmission
audio data
equipment
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Chinese (zh)
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CN102752058A (en
Inventor
李东声
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Tendyron Technology Co Ltd
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Tendyron Technology Co Ltd
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Priority to CN2012102043924A priority Critical patent/CN102752058B/en
Publication of CN102752058A publication Critical patent/CN102752058A/en
Priority to HK13104929.3A priority patent/HK1177993A1/en
Priority to SG11201408116VA priority patent/SG11201408116VA/en
Priority to EP13805066.1A priority patent/EP2863559B1/en
Priority to RU2015100994/07A priority patent/RU2603127C2/en
Priority to AU2013275900A priority patent/AU2013275900B2/en
Priority to JP2015516422A priority patent/JP5926863B2/en
Priority to US14/408,259 priority patent/US20150139438A1/en
Priority to MYPI2014703788A priority patent/MY172780A/en
Priority to PCT/CN2013/077087 priority patent/WO2013185596A1/en
Priority to CA2876707A priority patent/CA2876707A1/en
Priority to BR112014030862-4A priority patent/BR112014030862B1/en
Priority to KR20147034598A priority patent/KR101511930B1/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B11/00Transmission systems employing sonic, ultrasonic or infrasonic waves
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H20/00Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/28Arrangements for simultaneous broadcast of plural pieces of information
    • H04H20/30Arrangements for simultaneous broadcast of plural pieces of information by a single channel
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00Circuits for transducers, loudspeakers or microphones
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H2201/00Aspects of broadcast communication
    • H04H2201/10Aspects of broadcast communication characterised by the type of broadcast system
    • H04H2201/20Aspects of broadcast communication characterised by the type of broadcast system digital audio broadcasting [DAB]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H60/00Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/09Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
    • H04H60/11Arrangements for counter-measures when a portion of broadcast information is unavailable

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephonic Communication Services (AREA)
  • Transmitters (AREA)

Abstract

The invention provides an audio data transmission system, which comprises a first device and a second device, wherein the first device is connected with the second device through an audio interface, the first device is used for modulating audio data to be transmitted through at least two modulation ways so as to generate audio data code streams of at least two modulation ways, the audio data codestreams of the two modulation ways are spliced into one audio data stream, and the audio data stream is transmitted to the second device in one step through the audio interface. Due to the adoption of the system, rapid interaction of the data streams can be realized, the success rate of the data transmission can be greatly increased, the probability of the data transmission failure caused by distortion degree of the data in the interaction process also can be reduced, and the data interaction quality can be improved. The invention also provides an audio data transmission device for a mobile terminal and an electronic sign tool.

Description

Audio data transmission system, audio data transmission apparatus and electric signing tools
Technical field
The present invention relates to electronic technology field, particularly a kind of audio data transmission system, a kind of audio data transmission apparatus and a kind of electric signing tools for portable terminal.
Background technology
Existing when carrying out audio data transmission by audio interface, the audio transmission characteristic of different portable terminals is different, if need the audio transmission characteristic of compatible different portable terminals, then need automatically to attempt the optimal modulation system that is used to seek the portable terminal different from each with the voice data of different modulation systems from the equipment (for example electric signing tools) that portable terminal communicates.
And the means of current audio communication itself are just seldom, therefore, not have suitable mode can compatible different mobile terminal of while with different electric signing tools between communicate by letter.
And, because communicating pair might not be fixed, and communicating pair can all have separately different audio transmission characteristics, therefore, in the transmission course of voice data, if the modulation system that need not mate and demodulation mode then can cause data interaction speed slow, the mutual data problems such as distortion that distort easily.
Summary of the invention
Purpose of the present invention is intended to solve at least one of above-mentioned technological deficiency.
For this reason, first purpose of the present invention is to propose a kind of audio data transmission system, and voice data is carried out alternately fast, and greatly reduces the distortion factor of interaction data.Second purpose of the present invention is to propose a kind of audio data transmission apparatus for portable terminal.The 3rd purpose of the present invention is to propose a kind of electric signing tools.
For achieving the above object, a kind of audio data transmission system that first aspect present invention embodiment proposes, comprise the first equipment and the second equipment, link to each other by audio interface between described the first equipment and described the second equipment, wherein, described the first equipment is modulated into analog waveform signal with voice data waiting for transmission respectively by at least two kinds of modulation systems, to generate the voice data code stream of at least two kinds of modulation systems, the described voice data code stream of described at least two kinds of modulation systems is spliced into an audio data stream, once described audio data stream is transferred to described the second equipment by described audio interface.
Audio data transmission system according to the embodiment of the invention, can make the data flow between the first equipment and the second equipment realize mutual fast, success rate when greatly having improved transfer of data, in addition, reduce data in reciprocal process because the probability of the data transmission fails that the distortion factor, the degree of distortion cause, improved the quality of data interaction.
In one embodiment of the invention, described the first equipment is further used for once described audio data stream being transferred to described the second equipment in the reference frame at the same time by described audio interface.
Wherein, described at the same time reference frame refers to: the initial time of the time period at each modulation waveform place and/or the finish time are with respect to making an appointment with reference to duration constantly of making an appointment.
In another embodiment of the present invention, described the first equipment is further used for once described audio data stream being transferred to described the second equipment by described audio interface in the different time reference frame.
Wherein, described different time reference frame refers to: the initial time of each modulation waveform is according to the synchronous head acquisition of information.
Further, when described the first equipment is modulated to described voice data code stream with described voice data waiting for transmission, and generate synchronous head information, and the synchronous head information that generates is added in the described voice data code stream, described synchronous head information is used to indicate the initial time of each modulation waveform.
In one embodiment of the invention, described voice data waiting for transmission is the identification data of set form, or contains the transmission of data of variable content.
Wherein, described modulation system is amplitude modulation(PAM), frequency modulation(FM), carrier modulation or negative carrier modulation.
In one embodiment of the invention, the mode of described splicing is without the connecting method in the time interval or the connecting method at free interval.
Particularly, in an example of the present invention, described the first equipment is portable terminal, and described the second equipment is electric signing tools.
For achieving the above object, second aspect present invention embodiment has proposed a kind of audio data transmission apparatus for portable terminal, comprise: modulation module, be used for respectively voice data waiting for transmission being modulated into analog waveform signal by at least two kinds of modulation systems, to generate the voice data code stream of at least two kinds of modulation systems; Concatenation module is used for the described voice data code stream of described at least two kinds of modulation systems is spliced into an audio data stream; Transport module is used for once described audio data stream being transferred to electric signing tools by the audio interface of described portable terminal.
The audio data transmission apparatus that is used for portable terminal according to the embodiment of the invention, can realize and electric signing tools between carry out fast data interaction, improved interactive speed, success rate when having improved transfer of data, in addition, reduce data in reciprocal process because the probability of the data transmission fails that the distortion factor, the degree of distortion cause, improved the quality of data interaction.
In one embodiment of the invention, described transport module is further used for once described audio data stream being transferred to described electric signing tools in the reference frame at the same time by the audio interface of described portable terminal.
Wherein, described at the same time reference frame refers to: the initial time of the time period at each modulation waveform place and/or the finish time are with respect to making an appointment with reference to duration constantly of making an appointment.
In another embodiment of the present invention, described transport module is further used for once described audio data stream being transferred to described electric signing tools by the audio interface of described portable terminal in the different time reference frame.
Wherein, described different time reference frame refers to: the initial time of each modulation waveform is according to the synchronous head acquisition of information.
Further, in one embodiment of the invention, when described modulation module is modulated to described voice data code stream with described voice data waiting for transmission, and generation synchronous head information, and the synchronous head information that generates is added in the described voice data code stream, described synchronous head information is used to indicate the initial time of each modulation waveform.
Wherein, described voice data waiting for transmission is the identification data of set form, or contains the transmission of data of variable content.
And described modulation module is modulated in the following way: amplitude modulation(PAM), frequency modulation(FM), carrier modulation or negative carrier modulation.
In addition, in one embodiment of the invention, the mode of described splicing is the connecting method without the connecting method in the time interval or free interval.
For achieving the above object, third aspect present invention embodiment has proposed a kind of electric signing tools, comprise: modulation module is used for respectively voice data waiting for transmission being modulated into analog waveform signal by at least two kinds of modulation systems, to generate the voice data code stream of at least two kinds of modulation systems; Concatenation module is used for the described voice data code stream of described at least two kinds of modulation systems is spliced into an audio data stream; Transport module is used for once described audio data stream being transferred to portable terminal by the audio interface of electric signing tools.
Electric signing tools according to the embodiment of the invention, can realize and portable terminal between carry out fast data interaction, success rate when having improved transfer of data, in addition, reduce data in reciprocal process because the probability of the data transmission fails that the distortion factor, the degree of distortion cause, improved the quality of data interaction.
In one embodiment of the invention, described transport module is further used for once described audio data stream being transferred to described portable terminal in the reference frame at the same time by the audio interface of described electric signing tools.
Wherein, described at the same time reference frame refers to: the initial time of the time period at each modulation waveform place and/or the finish time are with respect to making an appointment with reference to duration constantly of making an appointment.
In another embodiment of the present invention, described transport module is further used for once described audio data stream being transferred to described portable terminal by the audio interface of described electric signing tools in the different time reference frame.
Wherein, described different time reference frame refers to: the initial time of each modulation waveform is according to the synchronous head acquisition of information.
Further, in one embodiment of the invention, when described modulation module is modulated to described voice data code stream with described voice data waiting for transmission, and generation synchronous head information, and the synchronous head information that generates is added in the described voice data code stream, described synchronous head information is used to indicate the initial time of each modulation waveform.
Wherein, described voice data waiting for transmission is the identification data of set form, or contains the transmission of data of variable content.
And described modulation module is modulated in the following way: amplitude modulation(PAM), frequency modulation(FM), carrier modulation or negative carrier modulation.
In addition, in one embodiment of the invention, the mode of described splicing is the connecting method without the connecting method in the time interval or free interval.
The aspect that the present invention adds and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or the additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment below in conjunction with accompanying drawing, wherein:
Fig. 1 is the flow chart according to the audio data transmission method of the embodiment of the invention;
Fig. 2 is the block diagram according to the audio data transmission system of the embodiment of the invention;
Fig. 3 is the concrete block diagram of audio data transmission system according to an embodiment of the invention;
Fig. 4 is the structural representation according to the audio data transmission apparatus that is used for portable terminal of the embodiment of the invention;
Fig. 5 is the structural representation according to the electric signing tools of the embodiment of the invention; With
Fig. 6 is the schematic diagram according to the at the same time reference frame of the audio data transmission method of the embodiment of the invention.
Embodiment
The below describes embodiments of the invention in detail, and the example of described embodiment is shown in the drawings, and wherein identical or similar label represents identical or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the present invention, and can not be interpreted as limitation of the present invention.
Disclosing hereinafter provides many different embodiment or example to be used for realizing different structure of the present invention.Of the present invention open in order to simplify, hereinafter parts and the setting of specific examples are described.Certainly, they only are example, and purpose does not lie in restriction the present invention.In addition, the present invention can be in different examples repeat reference numerals and/or letter.This repetition is in order to simplify and purpose clearly, itself not indicate the relation between the various embodiment that discuss of institute and/or the setting.In addition, the various specific technique that the invention provides and the example of material, but those of ordinary skills can recognize the property of can be applicable to of other techniques and/or the use of other materials.In addition, First Characteristic described below Second Characteristic it " on " structure can comprise that the first and second Characteristics creations are the direct embodiment of contact, also can comprise the embodiment of other Characteristics creation between the first and second features, such the first and second features may not be direct contacts.
In description of the invention, need to prove, unless otherwise prescribed and limit, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly to link to each other, and also can indirectly link to each other by intermediary, for the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term.
With reference to following description and accompanying drawing, these and other aspects of embodiments of the invention will be known.These describe and accompanying drawing in, specifically disclose some particular implementation in the embodiments of the invention, represent to implement some modes of the principle of embodiments of the invention, still should be appreciated that the scope of embodiments of the invention is not limited.On the contrary, embodiments of the invention comprise spirit and interior all changes, modification and the equivalent of intension scope that falls into additional claims.
Following accompanying drawing is at first described the audio data transmission method that proposes according to the embodiment of the invention.
As shown in Figure 1, this audio data transmission method may further comprise the steps:
S101, the first equipment obtains voice data waiting for transmission.
In one embodiment of the invention, the first equipment can be portable terminal.Particularly, portable terminal can be mobile phone, panel computer, but is not limited only to this.Voice data refers to the data of transmitting by the audio frequency mode.Wherein, voice data waiting for transmission can be the identification data of set form, and for example: the identification data of this set form has identified the modulation system that voice data waiting for transmission adopts; Perhaps voice data waiting for transmission can be for containing the transmission of data of variable content, for example: the transmission of data of variable content is the various data of normal need transmission, such as: the various data such as user profile, Transaction Information.
S102, the first equipment is modulated voice data waiting for transmission respectively by at least two kinds of modulation systems.
In an example of the present invention, modulation system can be amplitude modulation(PAM), frequency modulation(FM), carrier modulation or negative carrier modulation etc.
S103, the voice data code stream of at least two kinds of modulation systems of generation.
That is to say, in an example of the present invention, the first equipment can be modulated voice data waiting for transmission respectively by four kinds of modulation systems, and generate voice data code stream A, B, C, the D of four kinds of modulation systems, and voice data code stream A, B, C, modulation system that D is corresponding are different.
In one embodiment of the invention, the voice data code stream forms in the following way:
Modulation system by the first equipment is modulated into analog waveform signal with voice data waiting for transmission, thereby forms the voice data code stream.
S104, the first equipment is spliced into an audio data stream with the voice data code stream of at least two kinds of modulation systems.
In one embodiment of the invention, the mode of splicing can be the connecting method without the time interval, also can be the connecting method at free interval.Splicing namely connects together the analog waveform after modulating with the different modulating mode.
S105, the audio interface by the first equipment transfers to the second equipment with the first audio data stream once.
In one embodiment of the invention, the audio interface by the first equipment transfers to audio data stream once the second equipment and also comprises:
Audio interface by the first equipment is transferring to audio data stream the second equipment in the reference frame at the same time once.
Wherein, reference frame refers at the same time: the initial time of the time period at each modulation waveform place and/or the finish time are with respect to making an appointment with reference to duration constantly of making an appointment.
For reference frame at the same time, specifically describe referring to Fig. 6:
For example, send successively two modulation waveforms, the common time of arranging on the time shaft is T0 with reference to the moment, the initial time of the time period at first modulation waveform place is T1, the duration of T1-T0 is what make an appointment, and the initial time of the time period at second modulation waveform place is T2, and the duration of T2-T0 also is what make an appointment, certainly, this moment, T2 was greater than T1.
In like manner, the finish time of the time period at each modulation waveform place also can be for making an appointment with reference to duration constantly with respect to what make an appointment.For example: the common time of arranging on the time shaft is T0 with reference to the moment, be T1 ' finish time of the time period at first modulation waveform place, the duration of T1 '-T0 is what make an appointment, be T2 ' finish time of the time period at second modulation waveform place, the duration of T2 '-T0 also is what make an appointment, certainly, this moment, T2 ' was greater than T1 '.
Certainly, the initial time T2 of the time period at second modulation waveform place also can be identical with the T1 ' finish time time period at the place of first modulation waveform.
In like manner, the initial time of the time period at each modulation waveform place and the finish time respectively all can be for making an appointment with reference to duration constantly with respect to what make an appointment.
Certainly, in the present embodiment, that makes an appointment is identical or different with reference to moment possibility.
Certainly, in the present embodiment, each modulation waveform can also be positioned at arbitrary position of time period, and for example: 1, the initial time of modulation waveform is identical with the initial time of the time period at this modulation waveform place, and the finish time of modulation waveform is identical with the finish time of the time period at this modulation waveform place; Referring to T1 to T1 shown in Figure 6 '.
2, the initial time of modulation waveform is identical with the initial time of the time period at this modulation waveform place, and the finish time of modulation waveform is different from the finish time of the time period at this modulation waveform place; Referring to T2 to T2 shown in Figure 6 '.
3, the initial time of modulation waveform is different from the initial time of the time period at this modulation waveform place, and the finish time of modulation waveform is identical with the finish time of the time period at this modulation waveform place; Referring to T3 to T3 shown in Figure 6 '.
4, the initial time of modulation waveform is different from the initial time of the time period at this modulation waveform place, and the finish time of modulation waveform is also different from the finish time of the time period at this modulation waveform place.Referring to T4 to T4 shown in Figure 6 '.Wherein, the initial time of modulation waveform is different from the initial time of the time period at this modulation waveform place, the finish time of the time period at the finish time of modulation waveform and this modulation waveform place, also not simultaneously, the initial time of each modulation waveform need to be undertaken by synchronous head information separately synchronously.
In another embodiment of the present invention, the audio interface by the first equipment transfers to audio data stream once the second equipment and also comprises:
Audio interface by the first equipment transfers to audio data stream the second equipment once in the different time reference frame.
Wherein, the different time reference frame refers to: the initial time of each modulation waveform is according to the synchronous head acquisition of information.
Concrete, when voice data waiting for transmission is modulated to the voice data code stream, also need to generate synchronous head information, this synchronous head information is used to indicate the initial time of each modulation waveform, and the synchronous head information that generates is added in the voice data code stream, thereby in the time of can guaranteeing in the different time reference frame, once described audio data stream to be transferred to the second equipment, the second equipment can be according to the audio data stream of the first equipment transmission, find respectively the synchronous head of each modulation waveform, obtain the synchronizing information of each modulation waveform, and find the initial time of each modulation waveform according to described synchronizing information, to guarantee correctly audio reception data of the second equipment.
This shows, voice data code stream A, B, C, the D of above-mentioned four kinds of modulation systems are spliced into an audio data stream, be convenient to disposable the transmission, reduce the number of times of transmission, reduced the possibility of data distortion, also improved the data volume of data interaction, success rate when having improved transfer of data, in addition, reduce data in reciprocal process because the probability of the data transmission fails that the distortion factor, the degree of distortion cause, improved the quality of data interaction.
Particularly, in an example of the present invention, the second equipment can be electric signing tools, and audio frequency Key for example is similar to a kind of key device of U shield, and just data transfer mode is different, but example of the present invention is not limited in this.
According to the audio data transmission method of the embodiment of the invention, carry out once data interaction thereby can make the voice data code stream of various modulation systems be spliced into an audio data stream, greatly improved the data volume of a data interaction speed.In addition, after communicating pair has been selected available modulation system, by this mode the transmission of data, greatly reduce the distortion factor of interaction data, guaranteed the quality of data interaction.
The audio data transmission system that proposes according to the embodiment of the invention is described below with reference to Fig. 2 and Fig. 3.
As shown in Figure 2, this audio data transmission system comprises the first equipment 201 and the second equipment 202, and connects by audio interface 203 between the first equipment 201 and the second equipment 202.Wherein, the first equipment 201 modulates to generate respectively the voice data code stream of at least two kinds of modulation systems to voice data waiting for transmission by at least two kinds of modulation systems, the voice data code stream of at least two kinds of modulation systems is spliced into an audio data stream, once audio data stream is transferred to the second equipment 202 by audio interface 203.
In one embodiment of the invention, the first equipment 201 also is further used for once audio data stream being transferred to the second equipment 202 in the reference frame at the same time by audio interface 203.
Wherein, reference frame refers at the same time: the initial time of the time period at each modulation waveform place and/or the finish time are with respect to making an appointment with reference to duration constantly of making an appointment.
In another embodiment of the present invention, the first equipment 201 also is used for once audio data stream being transferred to the second equipment 202 by audio interface 203 in the different time reference frame further.
Wherein, the different time reference frame refers to: the initial time of each modulation waveform is according to the synchronous head acquisition of information.Certainly, when voice data waiting for transmission is modulated to the voice data code stream, also need to generate synchronous head information, this synchronous head information is used to indicate the initial time of each modulation waveform, and the synchronous head information that generates is added in the voice data code stream, thereby guarantee to obtain the initial time of each modulation waveform.
In one embodiment of the invention, voice data waiting for transmission can be the identification data of set form, or contains the transmission of data of variable content.Wherein: the identification data of set form can identify the modulation system that voice data waiting for transmission adopts; The transmission of data of variable content is the various data of normal need transmission, such as: the various data such as user profile, Transaction Information.
And the voice data code stream forms in the following way:
Modulation system by the first equipment 201 is modulated into analog waveform signal with voice data waiting for transmission, thereby forms the voice data code stream.
Modulation system in the present embodiment can be amplitude modulation(PAM), frequency modulation(FM), carrier modulation or negative carrier modulation etc.
Particularly, in one embodiment of the invention, as shown in Figure 3, the first equipment 201 can be modulated voice data waiting for transmission respectively by four kinds of modulation systems, and generate voice data code stream A, B, C, the D of four kinds of modulation systems, and voice data code stream A, B, C, modulation system that D is corresponding are different.
The first equipment 201 is spliced into an audio data stream with voice data code stream A, B, C, the D of above-mentioned four kinds of modulation systems, is convenient to disposable the transmission, has reduced the number of times of transmission, has reduced the possibility of data distortion, has also improved the data volume of data interaction.
Wherein, in one embodiment of the invention, the mode of splicing can be the connecting method without the time interval, also can be the connecting method at free interval.Splicing namely connects together the analog waveform after modulating with the different modulating mode.
Particularly, in one embodiment of the invention, the first equipment 201 can be portable terminal, and the second equipment 202 can be electric signing tools.
Audio data transmission system according to the embodiment of the invention, can make the data flow between the first equipment 201 and the second equipment 202 realize mutual fast, improved the data volume of data interaction, in addition, after communicating pair has been selected available modulation system, by this mode the transmission of data, greatly reduce distortion and the distortion factor of interaction data, improve and guaranteed the quality of data interaction.
Further describe the audio data transmission apparatus 400 that is used for portable terminal that proposes according to the embodiment of the invention below with reference to Fig. 4.
As shown in Figure 4, this device 400 is applied in the portable terminal 404, comprises modulation module 401, concatenation module 402 and transport module 403.
Wherein, modulation module 401 is for the voice data code stream of respectively voice data waiting for transmission being modulated to generate at least two kinds of modulation systems by at least two kinds of modulation systems.Concatenation module 402 is used for the voice data code stream of at least two kinds of modulation systems is spliced into an audio data stream.Transport module 403 is used for once audio data stream being transferred to electric signing tools 500 by the audio interface 405 of portable terminal 404.
In one embodiment of the invention, transport module 403 is further used for once audio data stream being transferred to electric signing tools 500 in the reference frame at the same time by the audio interface 405 of portable terminal 404.
Wherein, reference frame refers at the same time: the initial time of the time period at each modulation waveform place and/or the finish time are with respect to making an appointment with reference to duration constantly of making an appointment.
In another embodiment of the present invention, transport module 403 is further used for once audio data stream being transferred to electric signing tools 500 by the audio interface 405 of portable terminal 404 in the different time reference frame.
Wherein, the different time reference frame refers to: the initial time of each modulation waveform is according to the synchronous head acquisition of information.Certainly, when voice data waiting for transmission is modulated to the voice data code stream, also need to generate synchronous head information, this synchronous head information is used to indicate the initial time of each modulation waveform, and the synchronous head information that generates is added in the voice data code stream, thereby guarantee to obtain the initial time of each modulation waveform.
In one embodiment of the invention, modulation module 401 is further used for by installing 400 modulation system voice data waiting for transmission being modulated into analog waveform signal, thereby forms the voice data code stream.
Wherein, voice data waiting for transmission can be the identification data of set form, perhaps for containing the transmission of data of variable content.Wherein: the identification data of set form can identify the modulation system that voice data waiting for transmission adopts; The transmission of data of variable content is the various data of normal need transmission, such as: the various data such as user profile, Transaction Information.
In addition, modulation module 401 is modulated in the following way: amplitude modulation(PAM), frequency modulation(FM), carrier modulation or negative carrier modulation etc.
In one embodiment of the invention, the mode of concatenation module 402 can be the connecting method without the time interval, also can be the connecting method at free interval.Splicing namely connects together the analog waveform after modulating with the different modulating mode.
The audio data transmission apparatus 400 that is used for portable terminal according to the embodiment of the invention, can realize and electric signing tools 500 between carry out fast data interaction, improved interactive speed, saved the time, in addition, data distortion factor in reciprocal process has also obtained reduction, has guaranteed the quality of data interaction.
The electric signing tools 500 that proposes according to the embodiment of the invention is also described below with reference to Fig. 5.
As shown in Figure 5, this electric signing tools 500 comprises modulation module 501, concatenation module 502 and transport module 503.
Wherein, modulation module 501 is for the voice data code stream of respectively voice data waiting for transmission being modulated to generate at least two kinds of modulation systems by at least two kinds of modulation systems.Concatenation module 502 is used for the voice data code stream of at least two kinds of modulation systems is spliced into an audio data stream.Transport module 503 is used for once audio data stream being transferred to portable terminal 404 by the audio interface 504 of electric signing tools 500.
In one embodiment of the invention, transport module 503 is further used for once audio data stream being transferred to portable terminal 404 in the reference frame at the same time by the audio interface 504 of electric signing tools 500.
Wherein, reference frame refers at the same time: the initial time of the time period at each modulation waveform place and/or the finish time are with respect to making an appointment with reference to duration constantly of making an appointment.
In another embodiment of the present invention, transport module 503 is further used for once audio data stream being transferred to portable terminal 404 by the audio interface 504 of electric signing tools 500 in the different time reference frame.
Wherein, the different time reference frame refers to: the initial time of each modulation waveform is according to the synchronous head acquisition of information.Certainly, when voice data waiting for transmission is modulated to the voice data code stream, also need to generate synchronous head information, this synchronous head information is used to indicate the initial time of each modulation waveform, and the synchronous head information that generates is added in the voice data code stream, thereby guarantee to obtain the initial time of each modulation waveform.
In one embodiment of the invention, modulation module 501 is further used for by the modulation system of electric signing tools 500 voice data waiting for transmission being modulated into analog waveform signal, thereby forms the voice data code stream.
Wherein, voice data waiting for transmission can be the identification data of set form, perhaps for containing the transmission of data of variable content.Wherein: the identification data of set form can identify the modulation system that voice data waiting for transmission adopts; The transmission of data of variable content is the various data of normal need transmission, such as: the various data such as user profile, Transaction Information.
And modulation module 501 is modulated in the following way: amplitude modulation(PAM), frequency modulation(FM), carrier modulation or negative carrier modulation etc.
In addition, in one embodiment of the invention, concatenation module 502 is by splicing the voice data code stream without the connecting method in the time interval or the connecting method at free interval.Splicing namely connects together the analog waveform after modulating with the different modulating mode.
According to the electric signing tools 500 of the embodiment of the invention, can realize and portable terminal 404 between carry out fast data interaction, improved mutual data volume, saved the time, in addition, data distortion factor in follow-up reciprocal process has also obtained reduction, has guaranteed the quality of data interaction.
Describe and to be understood in the flow chart or in this any process of otherwise describing or method, expression comprises module, fragment or the part of code of the executable instruction of the step that one or more is used to realize specific logical function or process, and the scope of preferred implementation of the present invention comprises other realization, wherein can be not according to order shown or that discuss, comprise according to related function by the mode of basic while or by opposite order, carry out function, this should be understood by the embodiments of the invention person of ordinary skill in the field.
In flow chart the expression or in this logic of otherwise describing and/or step, for example, can be considered to the sequencing tabulation for the executable instruction that realizes logic function, may be embodied in any computer-readable medium, use for instruction execution system, device or equipment (such as the computer based system, comprise that the system of processor or other can and carry out the system of instruction from instruction execution system, device or equipment instruction fetch), or use in conjunction with these instruction execution systems, device or equipment.With regard to this specification, " computer-readable medium " can be anyly can comprise, storage, communication, propagation or transmission procedure be for instruction execution system, device or equipment or the device that uses in conjunction with these instruction execution systems, device or equipment.The more specifically example of computer-readable medium (non-exhaustive list) comprises following: the electrical connection section (electronic installation) with one or more wirings, portable computer diskette box (magnetic device), random-access memory (ram), read-only memory (ROM), the erasable read-only memory (EPROM or flash memory) of editing, fiber device, and portable optic disk read-only memory (CDROM).In addition, computer-readable medium even can be paper or other the suitable media that to print described program thereon, because can be for example by paper or other media be carried out optical scanner, then edit, decipher or process to obtain described program in the electronics mode with other suitable methods in case of necessity, then it is stored in the computer storage.
Should be appreciated that each several part of the present invention can realize with hardware, software, firmware or their combination.In the above-described embodiment, a plurality of steps or method can realize with being stored in the memory and by software or firmware that suitable instruction execution system is carried out.For example, if realize with hardware, the same in another embodiment, can realize with the combination of each or they in the following technology well known in the art: have for the discrete logic of data-signal being realized the logic gates of logic function, application-specific integrated circuit (ASIC) with suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
Those skilled in the art are appreciated that and realize that all or part of step that above-described embodiment method is carried is to come the relevant hardware of instruction to finish by program, described program can be stored in a kind of computer-readable recording medium, this program comprises step of embodiment of the method one or a combination set of when carrying out.
In addition, each functional unit in each embodiment of the present invention can be integrated in the processing module, also can be that the independent physics of unit exists, and also can be integrated in the module two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, also can adopt the form of software function module to realize.If described integrated module realizes with the form of software function module and during as independently production marketing or use, also can be stored in the computer read/write memory medium.
The above-mentioned storage medium of mentioning can be read-only memory, disk or CD etc.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or the example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, modification, replacement and modification to these embodiment that scope of the present invention is by claims and be equal to and limit.

Claims (28)

1. an audio data transmission system is characterized in that, comprises the first equipment and the second equipment, link to each other by audio interface between described the first equipment and described the second equipment, wherein:
Described the first equipment is modulated into analog waveform signal with voice data waiting for transmission respectively by at least two kinds of modulation systems, to generate the voice data code stream of at least two kinds of modulation systems, the described voice data code stream of described at least two kinds of modulation systems is spliced into an audio data stream, once described audio data stream is transferred to described the second equipment by described audio interface.
2. the system as claimed in claim 1 is characterized in that, described the first equipment is further used for once described audio data stream being transferred to described the second equipment in the reference frame at the same time by described audio interface.
3. system as claimed in claim 2 is characterized in that, described at the same time reference frame refers to: the initial time of the time period at each modulation waveform place and/or the finish time are with respect to making an appointment with reference to duration constantly of making an appointment.
4. the system as claimed in claim 1 is characterized in that, described the first equipment is further used for once described audio data stream being transferred to described the second equipment by described audio interface in the different time reference frame.
5. system as claimed in claim 4 is characterized in that, described different time reference frame refers to: the initial time of each modulation waveform is according to the synchronous head acquisition of information.
6. system as claimed in claim 5, it is characterized in that, when described the first equipment is modulated to described voice data code stream with described voice data waiting for transmission, and generation synchronous head information, and the synchronous head information that generates is added in the described voice data code stream, described synchronous head information is used to indicate the initial time of each modulation waveform.
7. the system as claimed in claim 1 is characterized in that, described voice data waiting for transmission is the identification data of set form, or contains the transmission of data of variable content.
8. such as each described system of claim 1 to 7, it is characterized in that described modulation system is amplitude modulation(PAM), frequency modulation(FM), carrier modulation or negative carrier modulation.
9. such as each described system of claim 1 to 7, it is characterized in that the mode of described splicing is the connecting method without the connecting method in the time interval or free interval.
10. such as each described system of claim 1 to 7, it is characterized in that described the first equipment is portable terminal, described the second equipment is electric signing tools.
11. an audio data transmission apparatus that is used for portable terminal is characterized in that, comprising:
Modulation module is used for respectively voice data waiting for transmission being modulated into analog waveform signal by at least two kinds of modulation systems, to generate the voice data code stream of at least two kinds of modulation systems;
Concatenation module is used for the described voice data code stream of described at least two kinds of modulation systems is spliced into an audio data stream;
Transport module is used for once described audio data stream being transferred to electric signing tools by the audio interface of described portable terminal.
12. device as claimed in claim 11 is characterized in that, described transport module is further used for once described audio data stream being transferred to described electric signing tools in the reference frame at the same time by the audio interface of described portable terminal.
13. device as claimed in claim 12 is characterized in that, described at the same time reference frame refers to: the initial time of the time period at each modulation waveform place and/or the finish time are with respect to making an appointment with reference to duration constantly of making an appointment.
14. device as claimed in claim 11 is characterized in that, described transport module is further used for once described audio data stream being transferred to described electric signing tools by the audio interface of described portable terminal in the different time reference frame.
15. device as claimed in claim 14 is characterized in that, described different time reference frame refers to: the initial time of each modulation waveform is according to the synchronous head acquisition of information.
16. device as claimed in claim 15, it is characterized in that, when described modulation module is modulated to described voice data code stream with described voice data waiting for transmission, and generation synchronous head information, and the synchronous head information that generates is added in the described voice data code stream, described synchronous head information is used to indicate the initial time of each modulation waveform.
17. device as claimed in claim 11 is characterized in that, described voice data waiting for transmission is the identification data of set form, or contains the transmission of data of variable content.
18. such as each described device of claim 11 to 17, it is characterized in that described modulation module is modulated in the following way: amplitude modulation(PAM), frequency modulation(FM), carrier modulation or negative carrier modulation.
19., it is characterized in that the mode of described splicing is the connecting method without the connecting method in the time interval or free interval such as each described device of claim 11 to 17.
20. an electric signing tools is characterized in that, comprising:
Modulation module is used for respectively voice data waiting for transmission being modulated into analog waveform signal by at least two kinds of modulation systems, to generate the voice data code stream of at least two kinds of modulation systems;
Concatenation module is used for the described voice data code stream of described at least two kinds of modulation systems is spliced into an audio data stream;
Transport module is used for once described audio data stream being transferred to portable terminal by the audio interface of electric signing tools.
21. electric signing tools as claimed in claim 20, it is characterized in that described transport module is further used for once described audio data stream being transferred to described portable terminal in the reference frame at the same time by the audio interface of described electric signing tools.
22. electric signing tools as claimed in claim 21, it is characterized in that described at the same time reference frame refers to: the initial time of the time period at each modulation waveform place and/or the finish time are with respect to making an appointment with reference to duration constantly of making an appointment.
23. electric signing tools as claimed in claim 20, it is characterized in that described transport module is further used for once described audio data stream being transferred to described portable terminal by the audio interface of described electric signing tools in the different time reference frame.
24. electric signing tools as claimed in claim 23 is characterized in that, described different time reference frame refers to: the initial time of each modulation waveform is according to the synchronous head acquisition of information.
25. electric signing tools as claimed in claim 24, it is characterized in that, when described modulation module is modulated to described voice data code stream with described voice data waiting for transmission, and generation synchronous head information, and the synchronous head information that generates is added in the described voice data code stream, described synchronous head information is used to indicate the initial time of each modulation waveform.
26. electric signing tools as claimed in claim 20 is characterized in that, described voice data waiting for transmission is the identification data of set form, or contains the transmission of data of variable content.
27. such as each described electric signing tools of claim 20 to 26, it is characterized in that described modulation module is modulated in the following way: amplitude modulation(PAM), frequency modulation(FM), carrier modulation or negative carrier modulation.
28., it is characterized in that the mode of described splicing is the connecting method without the connecting method in the time interval or free interval such as each described electric signing tools of claim 20 to 26.
CN2012102043924A 2012-06-16 2012-06-16 Audio data transmission system, audio data transmission device and electronic sign tool Active CN102752058B (en)

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Application Number Priority Date Filing Date Title
CN2012102043924A CN102752058B (en) 2012-06-16 2012-06-16 Audio data transmission system, audio data transmission device and electronic sign tool
HK13104929.3A HK1177993A1 (en) 2012-06-16 2013-04-23 System and device for transmitting audio data and electronic signature instrument
JP2015516422A JP5926863B2 (en) 2012-06-16 2013-06-14 Audio data transmission system, audio data transmission apparatus, and electronic signature key
PCT/CN2013/077087 WO2013185596A1 (en) 2012-06-16 2013-06-14 Audio data transmission system, audio data transmission device, and electronic signature tool
RU2015100994/07A RU2603127C2 (en) 2012-06-16 2013-06-14 Audio data transmission system, audio data transmission device and electronic signature token
AU2013275900A AU2013275900B2 (en) 2012-06-16 2013-06-14 Audio data transmission system, audio data transmission device, and electronic signature tool
SG11201408116VA SG11201408116VA (en) 2012-06-16 2013-06-14 Audio data transmission system, audio data transmission apparatus, and electronic signature token
US14/408,259 US20150139438A1 (en) 2012-06-16 2013-06-14 Audio data transmission system, audio data transmission apparatus, and electronic signature token
MYPI2014703788A MY172780A (en) 2012-06-16 2013-06-14 Audio data transmission system, audio data transmission device, and electronic signature tool
EP13805066.1A EP2863559B1 (en) 2012-06-16 2013-06-14 Audio data transmission system, audio data transmission device, and electronic signature tool
CA2876707A CA2876707A1 (en) 2012-06-16 2013-06-14 Audio data transmission system, audio data transmission apparatus, and electronic signature token
BR112014030862-4A BR112014030862B1 (en) 2012-06-16 2013-06-14 AUDIO DATA TRANSMISSION SYSTEM, AUDIO DATA TRANSMISSION DEVICE TO A MOBILE TERMINAL, AND, ELECTRONIC SIGNATURE TOKEN
KR20147034598A KR101511930B1 (en) 2012-06-16 2013-06-14 Audio data transmission system, audio data transmission device, and electronic signature tool

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Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102752058B (en) * 2012-06-16 2013-10-16 天地融科技股份有限公司 Audio data transmission system, audio data transmission device and electronic sign tool
CN102739587B (en) * 2012-06-16 2014-05-21 天地融科技股份有限公司 Audio data transmission method
CN102739323B (en) * 2012-06-16 2013-09-04 天地融科技股份有限公司 Audio data transmission method
CN102821076B (en) * 2012-06-29 2014-12-24 天地融科技股份有限公司 Audio communication modulation way self-adaptive method, system, device and electronic sign tool
CN104092501A (en) * 2013-04-19 2014-10-08 腾讯科技(深圳)有限公司 Numerical value processing method, device and system applied to acoustic wave communication scene
CN104079358B (en) * 2014-06-25 2017-07-04 福建联迪商用设备有限公司 A kind of acoustic communication synchronous method, system and receiving terminal
US9621282B2 (en) 2014-07-07 2017-04-11 Avaya Inc. Acoustic information transfer
CN108809441B (en) * 2017-04-28 2021-09-21 杭州萤石网络股份有限公司 Sound wave communication method and system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1255019A (en) * 1999-11-18 2000-05-31 四川长虹电器股份有限公司 High-definition digital TV transmission system
CN1345492A (en) * 1999-02-24 2002-04-17 艾比奎蒂数字公司 Audio blend method, transmitter and receiver for AM and FM in band on channel digital audio broadcasting

Family Cites Families (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56157150A (en) * 1980-05-08 1981-12-04 Nec Corp Composite digital communication system
US4462114A (en) * 1980-07-02 1984-07-24 Motorola, Inc. Signum signal generator
US5479562A (en) * 1989-01-27 1995-12-26 Dolby Laboratories Licensing Corporation Method and apparatus for encoding and decoding audio information
RU2085048C1 (en) * 1995-08-10 1997-07-20 Бочаров Юрий Дмитриевич Method for data transmission and reception over communication channel
JPH09116475A (en) * 1995-10-23 1997-05-02 Nec Corp Time diversity transmission/reception system
US5956674A (en) * 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
TW301103B (en) * 1996-09-07 1997-03-21 Nat Science Council The time domain alias cancellation device and its signal processing method
KR100545811B1 (en) * 1999-02-13 2006-01-24 엘지전자 주식회사 A method of recording and transmitting connected reproduction information of a digital data stream,
JP2004524741A (en) * 2001-02-06 2004-08-12 シャープ株式会社 Wireless image transmission device and image transmission method
US7251462B2 (en) * 2003-07-08 2007-07-31 Matsushita Electric Industrial Co., Ltd. Modulation circuit device, modulation method and radio communication device
US7162093B2 (en) * 2003-09-07 2007-01-09 Microsoft Corporation Slice-layer in video codec
JP2007251643A (en) * 2006-03-16 2007-09-27 Jr Higashi Nippon Consultants Kk Sound transmission system
US7693496B2 (en) * 2006-09-07 2010-04-06 Infineon Technologies Ag Polar transmitter arrangement and method
US7978782B2 (en) * 2007-02-28 2011-07-12 Broadcom Corporation Method and system for polar modulation using a direct digital frequency synthesizer
US7595702B2 (en) * 2007-07-05 2009-09-29 Panasonic Corporation Modulation apparatus capable of correcting non-linearity of voltage controlled oscillator
US8321222B2 (en) * 2007-08-14 2012-11-27 Nuance Communications, Inc. Synthesis by generation and concatenation of multi-form segments
US7974580B2 (en) * 2007-08-28 2011-07-05 Qualcomm Incorporated Apparatus and method for modulating an amplitude, phase or both of a periodic signal on a per cycle basis
GB0716918D0 (en) * 2007-08-31 2008-03-12 Qinetiq Ltd Underwater Communications
CN101340415B (en) * 2008-06-30 2012-07-04 北京新岸线移动通信技术有限公司 Multi-path multiplexing apparatus and method for OFDM system
US8068742B2 (en) * 2008-07-10 2011-11-29 Finisar Corporation Phase shift keyed modulation of optical signal using chirp managed laser
CN101933242A (en) * 2008-08-08 2010-12-29 雅马哈株式会社 Modulation device and demodulation device
CN102124514B (en) * 2008-08-14 2012-11-28 Sk电信有限公司 System and method for data reception and transmission in audible frequency band
US8401405B2 (en) * 2009-05-28 2013-03-19 Freedom Photonics, Llc. Monolithic widely-tunable coherent receiver
JP2011071873A (en) * 2009-09-28 2011-04-07 Kyocera Corp Communication system
US8866559B2 (en) * 2010-03-17 2014-10-21 Frank Joseph Pompei Hybrid modulation method for parametric audio system
US8831159B2 (en) * 2011-02-09 2014-09-09 Intel Mobile Communications GmbH AM-PM synchronization unit
CN102223234B (en) * 2011-06-17 2013-11-20 飞天诚信科技股份有限公司 Electronic signature system and method based on audio communication
CN102355484B (en) * 2011-08-05 2018-12-04 广州华多网络科技有限公司 A kind of method of audio data transmission
US8965290B2 (en) * 2012-03-29 2015-02-24 General Electric Company Amplitude enhanced frequency modulation
EP2845191B1 (en) * 2012-05-04 2019-03-13 Xmos Inc. Systems and methods for source signal separation
US10497381B2 (en) * 2012-05-04 2019-12-03 Xmos Inc. Methods and systems for improved measurement, entity and parameter estimation, and path propagation effect measurement and mitigation in source signal separation
WO2013175464A1 (en) * 2012-05-20 2013-11-28 Yahalomi Erez Moshe High data rate transmission
CN102739323B (en) * 2012-06-16 2013-09-04 天地融科技股份有限公司 Audio data transmission method
CN202940815U (en) * 2012-06-16 2013-05-15 天地融科技股份有限公司 Audio data transmission system, audio data transmission device and electronic sign tool
CN102739320B (en) * 2012-06-16 2014-11-05 天地融科技股份有限公司 Method, system and device for transmitting audio data and electronic signature tool
CN102739587B (en) * 2012-06-16 2014-05-21 天地融科技股份有限公司 Audio data transmission method
CN102752058B (en) * 2012-06-16 2013-10-16 天地融科技股份有限公司 Audio data transmission system, audio data transmission device and electronic sign tool
CN202940816U (en) * 2012-06-16 2013-05-15 天地融科技股份有限公司 Audio data transmission system, transmission device and electronic signing tool

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1345492A (en) * 1999-02-24 2002-04-17 艾比奎蒂数字公司 Audio blend method, transmitter and receiver for AM and FM in band on channel digital audio broadcasting
CN1255019A (en) * 1999-11-18 2000-05-31 四川长虹电器股份有限公司 High-definition digital TV transmission system

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US20150139438A1 (en) 2015-05-21
AU2013275900B2 (en) 2015-10-01
BR112014030862A8 (en) 2021-09-08
BR112014030862A2 (en) 2017-06-27
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MY172780A (en) 2019-12-12
BR112014030862B1 (en) 2022-07-12
RU2603127C2 (en) 2016-11-20
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JP5926863B2 (en) 2016-05-25
CN102752058A (en) 2012-10-24

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